https://f-droid.org/packages/org.secuso.privacyfriendlysudoku/
Sudoku (Privacy Friendly) | F-Droid - Free and Open Source Android App Repository
(SECUSO) Privacy Friendly Sudoku without permissions or advertising
friendly f droidopen source
https://f-droid.org/en/packages/org.secuso.privacyfriendlypausinghealthily/
Pausing Healthily (Privacy Friendly) | F-Droid - Free and Open Source Android App Repository
(SECUSO) Reminds you to take breaks during work and offers helpful exercises
friendly f droidopen source